The White Label Armory AR15/AR10 Hammer Spring 10-Pack provides reliable, Mil-Spec performance for both AR15 and AR10 platforms. These standard-power springs are precision-manufactured to ensure consistent ignition and long-term durability, making them essential components for any lower parts kit, build, or repair. Backed by WLA’s commitment to American-made quality, this 10-pack offers dependable functionality for builders and armorers alike.